On the Martian satellite Deimos, robot miners suddenly begin digging obsessively in an off-limits section.
Catch up on the progress of the young chef. learn some top tips for skipping, and Sam and Mark explain sudoku.
Also on CBBC channel
Digital viewers can find out how to join in with the show, and a Football Focus commentary competition, via the red button
Robbie and Sportacus are sucked into a computer.
Milo builds a castle in the garden.
The team learns just how slippery moon moss is.
A look at beetles and where animals live.
Nobody will play with Ethelbert.
★★★ Disney comedy
;tarring Dean Jones. When the dumbest duck in Albert Dooley 's animal research lab eats some rather unusual apple sauce and is exposed to radiation, it starts laying golden eggs. Review page 74.
Director Vincent McEveety (1971, U)
Professor Albert Dooley:
Live coverage from the Crucible, Sheffield, as six-time runner-up Jimmy White battles it out against the world number 22
David Gray in a best-of-19-frames match. The winner will face either Peter Ebdon or Michael Holt.
Also this afternoon, the first of the second-round matches gets under way. Commentators are Clive Everton, Dennis Taylor , John Virgo , Willie Thorne , Terry Griffiths and Neal Foulds. Introduced by Ray Stubbs.
Also live at www.bbc.co.uk/sport (UK only)
Digital viewers can access live uninterrupted coverage of both tables. plus a news and results service
Dog-eat-dog quiz. Then Party Election Broadcast By the Liberal Democrats.
Will the quiz veterans meet their match?
It's dessert spoons at dawn for today's chefs from
Northern Ireland. Richard Corrigan fashions a rhubarb compote with mango, vanilla ice cream and nutmeg, while Paul Rankin whips up an organic buttermilk cream with rhubarb and rose petals.
Live coverage from Sheffield. Tonight will see the climax of the first-round match featuring Joe Perry and Ryan Day. The winner could well face the might of Rocket Ronnie O'Sullivan in the next round.
Meanwhile, a second-round match likely to feature Shaun Murphy and the evergreen Steve Davis gets under way on the other table. With Hazel Irvine and John Parrott , plus possibly Steve Davis. Also live online at www.bbc.co.uk/sport (UK only)
Radio 5 Live has news from Sheffield in Sport on 5 from 7pm
Digital viewers can access live uninterrupted coverage of both tables, plus a news and results service via the red button
The Inside Story: page 92
4/8. Hampden Great House. It's a Georgian landed estate owned by the same family for the last years, but Jeremy Musson had to travel 4,500 miles to reach it. However, for the weary visitor there were sweeteners of sugar and rum - the reasons for this Jamaican plantation's very existence.
Director Spike Geilinger ; Series producer Richard Trayler-Smith
Specialist subjects tonight are the Marlow family books by Antonia Forest, India v Pakistan Test cricket, British dreadnoughts, and Star Wars films episodes IV-VI. John Humphrys is quizmaster.
Contestants: to apply, go to [web address removed] or write to: [address removed]
2/6. Two young political activists plan to stage a peaceful "orange" revolution in Azerbaijan, along the lines of uprisings in Serbia, Georgia and the Ukraine, where mass protests over rigged elections led to the removal of authoritarian regimes. Those revolts had the backing of the West but, as Azerbaijan is considered an ally in the war on terror, it's unlikely
Murad and Emin will gain support. Can they succeed? Director Ivan O'Mahoney ; Exec producer Karen O'Connor
2/6; series two. Jill gets closer to locating Cath and Don after a motor accident leads her to Trees Therapy Centre. The pitch-black comedy continues apace.
Writer Julia Davis ; Director Dewi Humphreys ; Producer Alison MacPhail First shown on BBC3 www.bbc.co.uk/comedy
With Kirsty Wark.
Highlights from tonight's matches, with Hazel Irvine. www.bbc.co.uk/snooker
Highlights from this afternoon's action at the Crucible Theatre, introduced by Ray Stubbs.
[web address removed]
Schools Repeats not indicated
2.00 GCSE Bitesize Revision Philosophy and Ethics
GCSE Religious Studies courses.
4.00 GCSE Bitesize World Religions